From 79c0ba9e8d9cb4b0958d4666282a3b91f107937e Mon Sep 17 00:00:00 2001 From: Simon Bomm Date: Mon, 9 Feb 2015 15:13:42 +0100 Subject: [PATCH] Add monitoring for rrdcached updates waiting --- apps/rrdcached/mode/stats.pm | 165 +++++++++++++++++++++++++++++++++++ apps/rrdcached/plugin.pm | 64 ++++++++++++++ 2 files changed, 229 insertions(+) create mode 100644 apps/rrdcached/mode/stats.pm create mode 100644 apps/rrdcached/plugin.pm diff --git a/apps/rrdcached/mode/stats.pm b/apps/rrdcached/mode/stats.pm new file mode 100644 index 000000000..c31625eaa --- /dev/null +++ b/apps/rrdcached/mode/stats.pm @@ -0,0 +1,165 @@ +################################################################################ +# Copyright 2005-2013 MERETHIS +# Centreon is developped by : Julien Mathis and Romain Le Merlus under +# GPL Licence 2.0. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation ; either version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT ANY +# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, see . +# +# Linking this program statically or dynamically with other modules is making a +# combined work based on this program. Thus, the terms and conditions of the GNU +# General Public License cover the whole combination. +# +# As a special exception, the copyright holders of this program give MERETHIS +# permission to link this program with independent modules to produce an executable, +# regardless of the license terms of these independent modules, and to copy and +# distribute the resulting executable under terms of MERETHIS choice, provided that +# MERETHIS also meet, for each linked independent module, the terms and conditions +# of the license of that module. An independent module is a module which is not +# derived from this program. If you modify this program, you may extend this +# exception to your version of the program, but you are not obliged to do so. If you +# do not wish to do so, delete this exception statement from your version. +# +# For more information : contact@centreon.com +# Authors : Simon BOMM +# +#################################################################################### + +package apps::rrdcached::mode::stats; + +use base qw(centreon::plugins::mode); + +use strict; +use warnings; +use IO::Socket::UNIX; + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + + $self->{version} = '1.0'; + $options{options}->add_options(arguments => + { + "socket-path:s" => { name => 'socket_path', default => '/var/rrdtool/rrdcached/rrdcached.sock' }, + "warning:s" => { name => 'warning', default => '3000' }, + "critical:s" => { name => 'critical', default => '5000' }, + "timeout:s" => { name => 'timeout', default => '10' }, + }); + return $self; +} + +sub check_options { + my ($self, %options) = @_; + $self->SUPER::init(%options); + + if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) { + $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{warning} . "'."); + $self->{output}->option_exit(); + } + if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) { + $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{critical} . "'."); + $self->{output}->option_exit(); + } + +} + +sub run { + my ($self, %options) = @_; + my $data; + my @stat; + my @tab; + my $queueLenght; + my $SOCK_PATH = $self->{option_results}->{socket_path}; + + if (-S $SOCK_PATH) { + + my $socket = IO::Socket::UNIX->new( + Type => SOCK_STREAM(), + Peer => $SOCK_PATH, + ); + + + $socket->send("STATS\n"); + + while ($data = <$socket>) { + if ($data =~ /(\d+) Statistics follow/) { + my $stats_number = $1; + if ($stats_number < 9) { + $self->{output}->output_add(severity => 'UNKNOWN', + short_msg => "Stats available are incomplete, check rrdcached daemon (try again if few moments)"); + $self->{output}->display(); + $self->{output}->exit(); + } + } + next if $data !~ m/(^UpdatesR|Data)/; + push @tab,$data; + $socket->send("QUIT\n"); + } + + close($socket); + + foreach my $line (@tab) { + my ($key, $value) = split (/:\s*/, $line,2); + push @stat, $value; + $self->{output}->output_add(long_msg => sprintf("%s = %i", $key, $value)); + } + + my $updatesNotWritten = $stat[0] - $stat[1]; + + my $exit = $self->{perfdata}->threshold_check(value => $updatesNotWritten, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]); + + $self->{output}->output_add(severity => $exit, + short_msg => sprintf("RRDCached has %i updates waiting", $updatesNotWritten)); + + $self->{output}->perfdata_add(label => 'UpdatesWaiting', unit => 'updates', + value => $updatesNotWritten, + warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'), + critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'), + min => 0); + + $self->{output}->display(); + $self->{output}->exit(); + } else { + $self->{output}->output_add(severity => 'CRITICAL', + short_msg => "Can't connect to socket, is rrdcached running ? is your socket path correct ?"); + $self->{output}->display(); + $self->{output}->exit(); + + } + +} + +1; + +__END__ + +=head1 MODE + +Check if one of centreon-broker output is dead and failover file is present. CRITICAL STATE ONLY + +=over 8 + +=item B<--rrd-config-file> + +Specify the name of your master rrd config-file (default: central-rrd.xml) + +=item B<--sql-config-file> + +Specify the name of your master sql config file (default: central-broker.xml) + +=item B<--config-path> + +Specify the path to your broker config files (defaut: /etc/centreon-broker/) + +=back + +=cut diff --git a/apps/rrdcached/plugin.pm b/apps/rrdcached/plugin.pm new file mode 100644 index 000000000..9b6b43520 --- /dev/null +++ b/apps/rrdcached/plugin.pm @@ -0,0 +1,64 @@ +################################################################################ +# Copyright 2005-2013 MERETHIS +# Centreon is developped by : Julien Mathis and Romain Le Merlus under +# GPL Licence 2.0. +# +# This program is free software; you can redistribute it and/or modify it under +# the terms of the GNU General Public License as published by the Free Software +# Foundation ; either version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT ANY +# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along with +# this program; if not, see . +# +# Linking this program statically or dynamically with other modules is making a +# combined work based on this program. Thus, the terms and conditions of the GNU +# General Public License cover the whole combination. +# +# As a special exception, the copyright holders of this program give MERETHIS +# permission to link this program with independent modules to produce an executable, +# regardless of the license terms of these independent modules, and to copy and +# distribute the resulting executable under terms of MERETHIS choice, provided that +# MERETHIS also meet, for each linked independent module, the terms and conditions +# of the license of that module. An independent module is a module which is not +# derived from this program. If you modify this program, you may extend this +# exception to your version of the program, but you are not obliged to do so. If you +# do not wish to do so, delete this exception statement from your version. +# +# For more information : contact@centreon.com +# Authors : Quentin Garnier +# +#################################################################################### + +package apps::rrdcached::plugin; + +use strict; +use warnings; +use base qw(centreon::plugins::script_simple); + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + # $options->{options} = options object + + $self->{version} = '0.1'; + %{$self->{modes}} = ( + 'stats' => 'apps::rrdcached::mode::stats', + ); + + return $self; +} + +1; + +__END__ + +=head1 PLUGIN DESCRIPTION + +Check RRDCached related informations + +=cut